VULNERABILITY INTELLIGENCE

CVE-2019-20399

CVSS score5.9 MEDIUM
EPSS probability0.88%
CISA KEVNot currently listed
Published2020-01-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potentially allows an attacker to leak information via a side-channel attack.

Weakness classification

  • CWE-203: Observable Discrepancy

Primary references